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/*
* vdr-scripting - A plugin for the Linux Video Disk Recorder
* Copyright (c) 2009 Tobias Grimm <vdr@e-tobi.net>
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation; either version 2 of the License, or (at your option)
* any later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
* details.
*
* You should have received a copy of the GNU General Public License along with
* this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*
*/
#include <ruby.h>
#include "ScriptingPlugin.h"
#include <vdr/tools.h>
#include <iostream>
#include "swigrubyrun.h"
#include "RubyObjectTracker.h"
using namespace std;
extern "C" void Init_swig();
extern RubyObjectTracker rubyObjectTracker;
VALUE require_pluginmanager_wrap(VALUE arg)
{
return rb_require("vdr/pluginmanager");
}
VALUE new_pluginmanager_wrap(VALUE arg)
{
VALUE module = rb_const_get(rb_cObject, rb_intern("Vdr"));
VALUE klass = rb_const_get(module, rb_intern("PluginManager"));
return rb_class_new_instance(0 ,0, klass);
}
ScriptingPlugin::ScriptingPlugin()
{
// Initialize any member variables here.
// DON'T DO ANYTHING ELSE THAT MAY HAVE SIDE EFFECTS, REQUIRE GLOBAL
// VDR OBJECTS TO EXIST OR PRODUCE ANY OUTPUT!
}
ScriptingPlugin::~ScriptingPlugin()
{
ruby_finalize();
}
const char *ScriptingPlugin::CommandLineHelp()
{
// Return a string that describes all known command line options.
return NULL;
}
bool ScriptingPlugin::ProcessArgs(int argc, char *argv[])
{
// Implement command line argument processing here if applicable.
return true;
}
bool ScriptingPlugin::Initialize()
{
// Initialize any background activities the plugin shall perform.
const char* configDir = cPlugin::ConfigDirectory(Name());
RUBY_INIT_STACK;
ruby_init();
ruby_init_loadpath();
ruby_incpush(cString::sprintf("%s/lib", configDir));
ruby_script("vdr-plugin-ruby");
Init_swig();
rb_eval_string("STDERR.puts $LOAD_PATH");
int error;
VALUE result = rb_protect(require_pluginmanager_wrap, 0, &error);
if (IsRubyError(error))
{
return true;
}
//rb_require("vdr/pluginmanager");
VALUE rbPluginManager = rb_protect(new_pluginmanager_wrap, 0, &error);
if (IsRubyError(error))
{
return true;
}
if (rbPluginManager == Qnil)
{
cerr << "rbPluginManger is nil" << endl;
}
Data_Get_Struct(rbPluginManager, PluginManager, _pluginManager);
if (!_pluginManager)
{
cerr << "no plugin manager" << endl;
}
return true;
}
bool ScriptingPlugin::Start()
{
// Start any background activities the plugin shall perform.
return true;
}
void ScriptingPlugin::Stop()
{
// Stop any background activities the plugin is performing.
}
void ScriptingPlugin::Housekeeping()
{
VALUE gc_wrap(VALUE arg);
// Perform any cleanup or other regular tasks.
}
void ScriptingPlugin::MainThreadHook()
{
// Perform actions in the context of the main program thread.
// WARNING: Use with great care - see PLUGINS.html!
}
cString ScriptingPlugin::Active()
{
// Return a message string if shutdown should be postponed
return NULL;
}
time_t ScriptingPlugin::WakeupTime()
{
// Return custom wakeup time for shutdown script
return 0;
}
cOsdObject *ScriptingPlugin::MainMenuAction()
{
if (!_pluginManager)
{
cerr << "NO PLUGINMANAGER" << endl;
return NULL;
}
cOsdObject* osdObject = _pluginManager->PluginMenu();
if (!osdObject)
{
cerr << "NO MENU" << endl;
return NULL;
}
rubyObjectTracker.KeepRubyObjectAlive(osdObject);
return osdObject;
}
cMenuSetupPage *ScriptingPlugin::SetupMenu()
{
// Return a setup menu in case the plugin supports one.
return NULL;
}
bool ScriptingPlugin::SetupParse(const char *Name, const char *Value)
{
// Parse your own setup parameters and store their values.
return false;
}
bool ScriptingPlugin::Service(const char *Id, void *Data)
{
// Handle custom service requests from other plugins
return false;
}
const char **ScriptingPlugin::SVDRPHelpPages()
{
// Return help text for SVDRP commands this plugin implements
return NULL;
}
cString ScriptingPlugin::SVDRPCommand(const char *Command, const char *Option, int &ReplyCode)
{
// Process SVDRP commands this plugin implements
return NULL;
}
VALUE gc_wrap(VALUE arg)
{
rb_gc();
return Qnil;
}
void ScriptingPlugin::ForceGarbageCollect()
{
int status;
rb_protect(gc_wrap, 0, &status);
// IsRubyError(status);
}
bool ScriptingPlugin::IsRubyError(int error)
{
if (error)
{
VALUE lasterr = rb_gv_get("$!");
VALUE klass = rb_class_path(CLASS_OF(lasterr));
cerr << "class = " << RSTRING(klass)->ptr << endl;
VALUE message = rb_obj_as_string(lasterr);
cerr << "message = " << RSTRING(message)->ptr << endl;
return true;
}
else
{
return false;
}
}
VDRPLUGINCREATOR(ScriptingPlugin); // Don't touch this!
|
